Merge branch 'allow_failure' into 'master'

Allow failure

See merge request !195

.gitlab-ci.yml

@@ -115,7 +115,7 @@ pycodegen-integration:
   image: i10git.cs.fau.de:5005/pycodegen/pycodegen/full
   stage: test
   when: manual
-  allow_failure: false
+  allow_failure: true
   script:
     - git clone https://gitlab-ci-token:${CI_JOB_TOKEN}@i10git.cs.fau.de/pycodegen/pycodegen.git
     - cd pycodegen